<!DOCTYPE html>
<html>
  <head>
    <title>Global scope</title>
    <script type="text/javascript">
      window.w = "w";
      window.h = "h";
      window.__webdriver_w = "__webdriver_w";
      window.__webdriver_h = "__webdriver_h";
    </script>
  </head>
  <body>
    <div style="position: absolute; left: 10px; top: 10px; height: 10px; width: 10px; background-color: blue;" id="toclick"></div>
  </body>
</html>
